MMSZ5254B-G3-18

Single Zener Diodes Overview

The MMSZ5254B-G3-18 is a silicon planar Zener diode manufactured by Vishay Semiconductors in the SOD-123 surface-mount package. It provides a nominal Zener voltage of 27 V with a standard tolerance of ±5%. The device operates at a test current of 4.6 mA and features a maximum reverse leakage current of 0.1 µA at 21 V. Electrical characteristics include a dynamic resistance of 41 Ω and a temperature coefficient of 0.09 %/°C. It supports a power dissipation of 500 mW, an operating temperature range from -55 °C to +150 °C, and a junction temperature up to 150 °C.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for stable voltage regulation
• Provides standard ±5% Zener voltage tolerance
• Complies with RoHS standards for commercial grade applications

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

Verify that the ordering code matches the required suffix for reel packaging. Confirm the specific tolerance designation aligns with circuit requirements. Ensure compatibility with the specified thermal management conditions during installation.

Single Zener Diodes Selection Notes

Select this component when a 27 V reference is needed in a compact SMD form factor. Consider the thermal resistance values if operating near maximum power limits. Verify that the leakage current specifications meet the design constraints for the intended application environment.

Single Zener Diodes Part Context

This part belongs to the MMSZ5225-G to MMSZ5267-G series of small signal Zener diodes. The series covers a wide voltage range from 3.0 V to 75 V. All devices share the same SOD-123 package and general electrical construction parameters defined in the common datasheet.

Single Zener Diodes Replacement Considerations

MMSZ5254B-E3-18